/**
 * Copyright (c) 2012-2017, www.tinygroup.org (luo_guo@icloud.com).
 * <p>
 *  Licensed under the GPL, Version 3.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * <p>
 *       http://www.gnu.org/licenses/gpl.html
 * <p>
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.tinygroup.weblayer;

import javax.servlet.http.HttpServletRequest;

/**
 * request输入流可进行重复读的处理类
 * 
 * @author renhui
 *
 */
public class InputStreamRepeatRead {

	private boolean open = true;

	public InputStreamRepeatRead(boolean open) {
		super();
		this.open = open;
	}

	public HttpServletRequest requestWrapper(HttpServletRequest request) {
		if (open&&isPostMethod(request)) {
			return new MultipleReadServletRequest(request);
		}
		return request;
	}

	private boolean isPostMethod(HttpServletRequest request) {
		return request.getMethod().equalsIgnoreCase("post");
	}

}
